From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Engine improvements, including carburetters, superchargers, reduction gears, and the 'H' engine.
| Identifier | ExFiles\Box 65a\3\ scan0171 | |
| Date | 14th November 1929 | |
| HS{Lord Ernest Hives - Chair}2/AD14.11.29 contd. -3- but so far the design has not been altered. (2) Improved carburetters in the Vee. (3) More heating of moderate superchargers and full superchargers. (4) .477 reduction gears. New design to be tested. "H" ENGINE. (1) The chief difficulty with the "H" engine is to come to a decision as regards the specification for the engine or both types of engines if a full supercharger engine is to be made. (2) More heating on to supercharger and induction pipe. HS.{Lord Ernest Hives - Chair} | ||